Re: CFileDialog breaks on paths with slashes

From:
"Doug Harrison [MVP]" <dsh@mvps.org>
Newsgroups:
microsoft.public.vc.language
Date:
Thu, 14 May 2009 02:23:55 -0500
Message-ID:
<9fhn05dqckmglju2n918qq0clns70sq09u@4ax.com>
On Thu, 14 May 2009 09:05:47 +0200, Ulrich Eckhardt
<eckhardt@satorlaser.com> wrote:

Cheers!

I just stumbled across something I hadn't seen before. The code is pretty
simple:

 CFileDialog dlg( TRUE, // open existing
                  NULL, // default extension
                  L"C:/some.text" // initial file
                );
 int res = dlg.DoModal();

Now, the call to DoModal() immediately returns without popping up a dialog
and without emitting any error on the debug trace window, which was the
initial problem I noticed. Then, doing some experiments, I found that if I
set the third parameter to L"C:\\some.text" it actually works, IOW the
dialog breaks unless I supply a path with backslashes.

Notes:
- Using VC8
- Using _UNICODE
- Using MS Windows XP
- Haven't tried mixing slashes and backslashes

Have any of you stumbled across this behaviour, too?


As I recall, while the kernel-level APIs treat slash and backslash
interchangeably, that is not the case for the user-level APIs, which only
recognize backslash. For example, open Notepad, press Ctrl+O, and type the
full path to a known file using slashes. The file dialog will open a
message box saying "the filename is not valid." Use backslashes, and it
will open the file.

--
Doug Harrison
Visual C++ MVP

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